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/*
This is based on code from VideoSegments.
https://github.com/videosegments/videosegments/commits/f1e111bdfe231947800c6efdd51f62a4e7fef4d4/segmentsbar/segmentsbar.js
*/
'use strict';
import Config from "../config";
import Utils from "../utils";
const utils = new Utils();
class PreviewBar {
container: HTMLUListElement;
parent: HTMLElement;
onMobileYouTube: boolean;
onInvidious: boolean;
timestamps: number[][];
types: string[];
constructor(parent: HTMLElement, onMobileYouTube: boolean, onInvidious: boolean) {
this.container = document.createElement('ul');
this.container.id = 'previewbar';
this.parent = parent;
this.onMobileYouTube = onMobileYouTube;
this.onInvidious = onInvidious;
this.updatePosition(parent);
this.setupHoverText();
}
setupHoverText(): void {
if (this.onMobileYouTube || this.onInvidious) return;
const seekBar = document.querySelector(".ytp-progress-bar-container");
// Create label placeholder
const tooltipTextWrapper = document.querySelector(".ytp-tooltip-text-wrapper");
const titleTooltip = document.querySelector(".ytp-tooltip-title");
const categoryTooltip = document.createElement("div");
categoryTooltip.className = "sbHidden ytp-tooltip-title";
categoryTooltip.id = "sponsor-block-category-tooltip"
tooltipTextWrapper.insertBefore(categoryTooltip, titleTooltip.nextSibling);
let mouseOnSeekBar = false;
seekBar.addEventListener("mouseenter", () => {
mouseOnSeekBar = true;
});
seekBar.addEventListener("mouseleave", () => {
mouseOnSeekBar = false;
categoryTooltip.classList.add("sbHidden");
});
const observer = new MutationObserver((mutations) => {
if (!mouseOnSeekBar) return;
// See if mutation observed is only this ID (if so, ignore)
if (mutations.length == 1 && (mutations[0].target as HTMLElement).id === "sponsor-block-category-tooltip") {
return;
}
const tooltips = document.querySelectorAll(".ytp-tooltip-text");
for (const tooltip of tooltips) {
const splitData = tooltip.textContent.split(":");
if (splitData.length === 2 && !isNaN(parseInt(splitData[0])) && !isNaN(parseInt(splitData[1]))) {
// Add label
const timeInSeconds = parseInt(splitData[0]) * 60 + parseInt(splitData[1]);
// Find category at that location
let category = null;
for (let i = 0; i < this.timestamps?.length; i++) {
if (this.timestamps[i][0] < timeInSeconds && this.timestamps[i][1] > timeInSeconds){
category = this.types[i];
}
}
if (category === null && !categoryTooltip.classList.contains("sbHidden")) {
categoryTooltip.classList.add("sbHidden");
tooltipTextWrapper.classList.remove("sbTooltipTwoTitleThumbnailOffset");
tooltipTextWrapper.classList.remove("sbTooltipOneTitleThumbnailOffset");
} else if (category !== null) {
categoryTooltip.classList.remove("sbHidden");
categoryTooltip.textContent = utils.shortCategoryName(category)
|| (chrome.i18n.getMessage("preview") + " " + utils.shortCategoryName(category.split("preview-")[1]));
// There is a title now
tooltip.classList.remove("ytp-tooltip-text-no-title");
// Add the correct offset for the number of titles there are
if (titleTooltip.textContent !== "") {
if (!tooltipTextWrapper.classList.contains("sbTooltipTwoTitleThumbnailOffset")) {
tooltipTextWrapper.classList.add("sbTooltipTwoTitleThumbnailOffset");
}
} else if (!tooltipTextWrapper.classList.contains("sbTooltipOneTitleThumbnailOffset")) {
tooltipTextWrapper.classList.add("sbTooltipOneTitleThumbnailOffset");
}
}
break;
}
}
});
observer.observe(tooltipTextWrapper, {
childList: true,
subtree: true
});
}
updatePosition(parent: HTMLElement): void {
//below the seek bar
// this.parent.insertAdjacentElement("afterEnd", this.container);
this.parent = parent;
if (this.onMobileYouTube) {
parent.style.backgroundColor = "rgba(255, 255, 255, 0.3)";
parent.style.opacity = "1";
this.container.style.transform = "none";
}
//on the seek bar
this.parent.insertAdjacentElement("afterbegin", this.container);
}
updateColor(segment: string, color: string, opacity: string): void {
const bars = <NodeListOf<HTMLElement>> document.querySelectorAll('[data-vs-segment-type=' + segment + ']');
for (const bar of bars) {
bar.style.backgroundColor = color;
bar.style.opacity = opacity;
}
}
set(timestamps: number[][], types: string[], duration: number): void {
while (this.container.firstChild) {
this.container.removeChild(this.container.firstChild);
}
if (!timestamps || !types) {
return;
}
this.timestamps = timestamps;
this.types = types;
// to avoid rounding error resulting in width more than 100%
duration = Math.floor(duration * 100) / 100;
let width;
for (let i = 0; i < timestamps.length; i++) {
if (types[i] == null) continue;
width = (timestamps[i][1] - timestamps[i][0]) / duration * 100;
width = Math.floor(width * 100) / 100;
const bar = this.createBar();
bar.setAttribute('data-vs-segment-type', types[i]);
bar.style.backgroundColor = Config.config.barTypes[types[i]].color;
if (!this.onMobileYouTube) bar.style.opacity = Config.config.barTypes[types[i]].opacity;
bar.style.width = width + '%';
bar.style.left = (timestamps[i][0] / duration * 100) + "%";
bar.style.position = "absolute"
this.container.insertAdjacentElement("beforeend", bar);
}
}
createBar(): HTMLLIElement {
const bar = document.createElement('li');
bar.classList.add('previewbar');
bar.innerHTML = ' ';
return bar;
}
remove(): void {
this.container.remove();
this.container = undefined;
}
}
export default PreviewBar;
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